Home / 127,001.90-190,369.49-42,732.81

Finding the Fourth Proportional to 127,001.90, 190,369.49 and 42,732.81

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Solution

The fourth proportional to 127,001.90, 190,369.49 and 42,732.81 is: 64,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,001.90 : 190,369.49 = 42,732.81 : x
  2. Step 2: Convert to fraction form
    127,001.90/190,369.49 = 42,732.81/x
  3. Step 3: Cross multiply
    127,001.90x = 190,369.49 × 42,732.81
  4. Step 4: Simplify right side
    127,001.90x = 8,135,023,245.97
  5. Step 5: Solve for x
    x = 8,135,023,245.97/127,001.90
  6. Step 6: Final answer
    x = 64,054.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.